use animation-mixer for playing glb file, why not start from the beginning? It always start from the middle of the animation where I am using nft - aframe

Question

Below is the code I use:
I use glb file and it should start animation from the beginning when marker is activated, but It start from the middle of the animation.
<div class="arjs-loader">
<div>Loading, please wait...</div>
</div>
<a-scene vr-mode-ui="enabled: false;"
renderer="logarithmicDepthBuffer: true;"
embedded arjs="trackingMethod: best; sourceType: webcam; debugUIEnabled: false;">
<a-assets>
<a-asset-item id="dja" src="./arfile2.glb"></a-asset-item>
</a-assets>
<a-nft type='nft' url='./demo/marker/djarum'
smooth='true' smoothCount='10' smoothTolerance='0.01' smoothThreshold='5'>
<a-entity gltf-model='#dja'
scale="90 90 90"
position="100 -200 0"
rotation="-90 0 0"
animation-mixer >
</a-entity>
</a-nft>
<a-entity camera>
</a-entity>
</a-scene>
<!--<a-scene>
<a-assets>
<a-asset-item id="tree" src="./tesla/scene.gltf"></a-asset-item>
</a-assets>
<a-entity gltf-model="#tree" scale="0.6 0.6 0.6" position="0 0.15 -3"></a-entity>
</a-scene>-->

Answer 1

The animation-mixer starts the animation when the model is loaded, not when it's visible.
You can wait until the image is detected, and then attach the animation-mixer:
const model = document.querySelector("[gltf]")
const nft = document.querySelector("a-nft");
nft.addEventListener("markerFound", () => {
model.setAttribute("animation-mixer", "")
})